Rec 20 | A-B | C-E | F-H | I-L | M | N-O | P-R | S-Z
| Name |
Representation
Symbol |
Common Code |
Level Cat. |
Use Id. |
Cross ref. |
| |
A |
|
|
|
|
|
| 15 °C calorie |
cal15 |
A1 |
2 |
X |
323 |
| access line |
|
AL |
3.5C |
|
1210 |
| acre |
acre |
ACR |
2 |
|
46 |
| actual ton |
|
26 |
3.1C |
Z |
988 |
| additional minute |
|
AH |
3.5C |
|
1208 |
| air dry metric ton |
|
MD |
3.1C |
|
1008 |
| alcoholic strength by mass |
|
ASM |
3.5A |
|
1172 |
| alcoholic strength by volume |
|
ASU |
3.5A |
|
1173 |
| aluminium pound only |
|
AP |
3.1C |
Z |
997 |
| ampere |
A |
AMP |
1 |
|
364 |
| ampere hour |
A.h |
AMH |
1M |
|
372 |
| ampere per centimetre |
A/cm |
A2 |
1S |
|
431 |
| ampere per metre |
A/m |
AE |
1 |
|
428 |
| |
|
|
|
|
457 |
| ampere per millimetre |
A/mm |
A3 |
1S |
|
430 |
| ampere per square centimetre |
A/cm² |
A4 |
1S |
|
426 |
| ampere per square metre |
A/m² |
A41 |
1 |
|
423 |
| ampere per square metre kelvin squared |
A/(m².K²) |
A6 |
1 |
|
936 |
| ampere per square millimetre |
A/mm² |
A7 |
1S |
|
425 |
| ampere second |
A.s |
A8 |
1 |
|
371 |
| ampere square metre |
A.m² |
A5 |
1 |
|
456 |
| |
|
|
|
|
713 |
| ampere square metre per joule second |
A.m²/(J.s) |
A10 |
1 |
|
716 |
| ampere tum per centimetre |
|
73 |
3.9 |
Z |
1402 |
| ampoule |
|
AM |
3.3A |
|
1063 |
| ångström |
Å |
A11 |
1 |
|
22 |
| |
|
|
|
|
126 |
| |
|
|
|
|
511 |
| |
|
|
|
|
710 |
| |
|
|
|
|
881 |
| anti-hemophilic factor (AHF) unit |
|
AQ |
3.9 |
|
1501 |
| are |
a |
ARE |
1 |
|
36 |
| assembly |
|
AY |
3.9 |
Z |
1409 |
| assortment |
|
AS |
3.9 |
Z |
1408 |
| astronomical unit |
AU |
A12 |
1 |
|
23 |
| attojoule |
aJ |
A13 |
1S |
|
270 |
| |
|
|
|
|
931 |
| average minute per call |
|
AI |
3.5C |
|
1209 |
| |
|
|
| |
B |
|
|
|
|
|
| |
|
|
|
|
|
| bag |
|
BG |
3.3A |
|
1054 |
| bale |
|
BL |
3.3A |
|
1058 |
| ball |
|
AA |
3.9 |
Z |
1407 |
| band |
|
D92 |
3.9 |
Z |
1416 |
| bar |
bar |
BAR |
1 |
|
217 |
| |
|
|
|
|
578 |
| bar |
|
BR |
3.3A |
|
1053 |
| barge |
|
NB |
3.4B |
Z |
1157 |
| barn |
b |
A14 |
1 |
|
761 |
| barn per electron volt |
b/eV |
A15 |
1 |
|
765 |
| barn per steradian electron volt, |
b/(sr.eV) |
A16 |
1 |
|
768 |
| barn per sterdian |
b/sr |
A17 |
1 |
|
763 |
| barrel (US) (petroleum etc.) |
barrel (US) |
BLL |
2 |
|
77 |
| barrel (US) per day |
barrel (US/d) |
B1 |
3.5B |
|
1189 |
| barrel per minute |
barrel (US)/m |
5A |
2 |
|
310 |
| barrel, imperial |
|
B4 |
3.5 |
Z |
1266 |
| base box |
|
BB |
3.3B |
Z |
1122 |
| base weight |
|
BW |
3.9 |
Z |
1420 |
| basket |
|
BK |
3.3A |
|
1098 |
| batch |
|
5B |
3.9 |
|
1510 |
| batt |
|
B9 |
3.9 |
Z |
1414 |
| batting pound |
|
B3 |
3.1C |
|
998 |
| beam |
|
D79 |
3.3B |
Z |
1123 |
| becquerel |
Bq |
BQL |
1 |
|
745 |
| |
|
|
|
|
827 |
| becquerel per kilogram |
Bq/kg |
A18 |
1 |
|
750 |
| becquerel per metre cubed |
Bq/m³ |
A19 |
1 |
|
753 |
| belt |
|
E2 |
3.9 |
Z |
1419 |
| billet |
|
B5 |
3.9 |
Z |
1412 |
| billion (EUR) |
|
BIL |
3.7A |
|
1285 |
| billion (US) |
|
MLD |
3.7A |
|
1286 |
| bin |
|
2W |
3.3A |
|
1092 |
| block |
|
D64 |
3.9 |
Z |
1418 |
| board |
|
BD |
3.3A |
|
1083 |
| board foot |
|
BFT |
3.5A |
|
1167 |
| bobbin |
|
4A |
3.3A |
|
1093 |
| bolt |
|
BT |
3.3A |
|
1085 |
| book |
|
D63 |
3.9 |
Z |
1417 |
| bottle |
|
BO |
3.3A |
|
1064 |
| box |
|
BX |
3.3A |
|
1062 |
| brake horse power |
BHP |
BHP |
2 |
|
295 |
| British thermal unit |
Btu |
BTU |
2 |
|
322 |
| British thermal unit per hour |
Btu/h |
2I |
2 |
|
328 |
| British thermal unit per hour square foot
degree Rankin |
Btu/(h.ft².°R) |
A23 |
2 |
|
338 |
| British thermal unit per pound |
Btu/lb |
AZ |
2 |
|
358 |
| British thermal unit per pound degree
Rankin |
Btu/(lb.°R) |
A21 |
2 |
|
348 |
| British thermal unit per second foot degree
Rankin |
Btu/(s.ft.°R) |
A22 |
2 |
|
331 |
| British thermal unit per second square foot
degree Rankin |
Btu/(s.ft².°R) |
A20 |
2 |
|
337 |
| brush |
|
BH |
3.9 |
Z |
1415 |
| Btu per cubic foot |
BTU/ft³ |
B0 |
3.9 |
Z |
1410 |
| bucket |
|
BJ |
3.3A |
|
1069 |
| bulk |
|
VQ |
3.3A |
|
1086 |
| bulk car load |
|
48 |
3.4C |
Z |
1160 |
| bulk pack |
|
AB |
3.3B |
|
1120 |
| bun |
|
B6 |
3.9 |
Z |
1413 |
| bundle |
|
BE |
3.3A |
|
1071 |
| bunk |
|
B2 |
3.9 |
Z |
1411 |
| bushel (US) |
bu (US) |
BUA |
2 |
|
76 |
| bushel (UK) |
bushel (UK) |
BUI |
2 |
|
75 |
| byte |
|
AD |
3.6B |
|
1273 |
Rec 20 | C-E | F-H | I-L | M | N-O | P-R | S-Z | Top
|